39702912520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1\times {\mathrm{68581}}^1$

素因数の和:68986

約数の個数: 64

約数和(自身を含む): 91770945840

約数和(自身を除く): 52068033320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 353, 410, 706, 820, 1412, 1640, 1765, 2824, 3530, 7060, 14120, 14473, 28946, 57892, 68581, 72365, 115784, 137162, 144730, 274324, 289460, 342905, 548648, 578920, 685810, 1371620, 2743240, 2811821, 5623642, 11247284, 14059105, 22494568, 24209093, 28118210, 48418186, 56236420, 96836372, 112472840, 121045465, 193672744, 242090930, 484181860, 968363720, 992572813, 1985145626, 3970291252, 4962864065, 7940582504, 9925728130, 19851456260, 39702912520]

約数ペア:

[(1, 39702912520), (2, 19851456260), (4, 9925728130), (5, 7940582504), (8, 4962864065), (10, 3970291252), (20, 1985145626), (40, 992572813), (41, 968363720), (82, 484181860), (164, 242090930), (205, 193672744), (328, 121045465), (353, 112472840), (410, 96836372), (706, 56236420), (820, 48418186), (1412, 28118210), (1640, 24209093), (1765, 22494568), (2824, 14059105), (3530, 11247284), (7060, 5623642), (14120, 2811821), (14473, 2743240), (28946, 1371620), (57892, 685810), (68581, 578920), (72365, 548648), (115784, 342905), (137162, 289460), (144730, 274324)]